Originally Posted by
Oakshadow
Repatriation flights. EZE-SLC (and many other flights to SLC) were for bringing Mormon missionaries back home.
There have been other repatriation flights for US citizens organized by the US government including PPT-HNL and BOM-ATL. This week also saw some military repatriation flights UTP-HNL.
There are some cargo-only flights now such as ORD-FRA and DTW-ICN-PVG. These are usually DL33XX flight numbers.